BARNSTABLE – Five defendants from the Cape and Islands had cases against them dropped and five more had charges reduced because of the state drug lab scandal, according to Barnstable Superior Court court records.

Of those 10 defendants, at least three were released from prison. Several more remained incarcerated on other cases or had their sentences reduced. In some cases, it’s unclear whether a defendant was released.

The hearings this week represent the latest happenings on the Cape in the drug lab cases, and more are scheduled for next week.

In September, former state chemist Annie Dookhan was charged with tampering with drug evidence over several years and falsely claiming to have a master’s degree.

The charges are based on a Massachusetts State Police investigation. During that probe, Dookhan admitted to investigators that she faked drug test results, forged paperwork and mixed samples, according to a state police report obtained by the Times.

Since the scandal, the Cape and Islands District Attorney’s Office has identified roughly 3,500 cases tainted by the scandal, First Assistant District Attorney Brian Glenny said last week.

In the past month or so, the office has switched from identifying cases to determining how Dookhan affected each case and whether they can be prosecuted again, Glenny said.

So far, seven Cape and Islands cases have been dropped, and five defendants have been released from prison, according to court records and interviews with attorneys.

Wesley Jones, 22, Kurt Kaski, 49, and Steven Lewis, 39, who were each charged with dealing either heroin, oxycodone or cocaine, were released this week, according to court records.

Kaski pleaded guilty Tuesday to reduced charges of possession of heroin and possession of methadone and was sentenced to time served, according to court records.

The plea was part of an agreement with the district attorney’s office, said Kaski’s attorney, Seth Roman. Kaski had served two years of a three-year prison sentence from a guilty plea in the same case in December 2010, Roman said.

Another notable defendant, Teague Green, 32,, of Hyannis, was ordered held on $200 cash bail after pleading guilty to a reduced charge of possession of cocaine, according to court records.

Green was one of the first Cape defendants to have his sentence stayed, but he was arrested on another drug charge less than a week after his release, according to court records.

Following the plea Thursday, Judge Gary A. Nickerson reduced Green’s bail in the recent drug case from $500 to $200, but the bail hadn’t been posted as of Friday afternoon.